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Books Books 1 - 10 of 25 on the sailors, moreover, as they sail over the sea, when in cloudy weather they can....
" the sailors, moreover, as they sail over the sea, when in cloudy weather they can no longer profit by the light of the Sun, or when the world is wrapped up in... "
A History of Electricity: (The Intellectual Rise in Electricity) from ... - Page 128
by Park Benjamin - 1898 - 605 pages
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Alexandri Neckam De naturis rerum libro duo: With the poem of the ..., Volume 34

Alexander Neckam, Thomas Wright - Science, Medieval - 1863 - 521 pages
...greater importance. Continuing his remarks on the properties of the magnet, Neckam goes on to say, " The sailors, moreover, as they sail over the sea,...the " light of the sun, or when the world is wrapped up " in the darkness of the shades of night, and they are " ignorant to what point of the compass their...
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Mornings of the Recess, 1861-4, Volume 2

Samuel Lucas - 1864
...greater importance. Continuing his remarks on the properties of the magnet, Neckam goes on to say : — ' The sailors, moreover, as they sail over the sea,...the light of the sun, or when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their...
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Annual Report

Smithsonian Institution - Science - 1896
...Mahomet's coffin by this means, he continues: "The sailors, moreover, as they sail over the sea. when iu cloudy weather they can no longer profit by the light of the sun, and when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what...
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A Treatise on Electromagnetic Phenomena, and on the Compass and ..., Volume 2

Timothy Augustine Lyons - Magnetism - 1903
...1157 to 1217 AD — the author of several worjcs on varied subjects, wrote in one of them as follows : "The sailors, moreover, as they sail over the sea,...magnet, which is whirled round in a circle, until, when the motion ceases, the point of it (the needle) looks to north." In the Paris Library there is...
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MAGNETIC DECLINATION TABLES AND ISOGONIC CHARTS

L.A. BAUER - 1903
...Neckam. He says: '' The sailors, moreover, as they sail over the sea, when in cloudy weather they can not longer profit by the light of the sun, or when the...the horizon the prow is directed, place the needle ovei the magnet, which is whirled round in a circle, until, when the motion ceases, the point of it...
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The Letter of Petrus Peregrinus on the Magnet, A.D. 1269, Part 1269

Pierre (de Maricourt) - Magnetism - 1904 - 41 pages
...referred to in the introductory notice: Abbot Neckam (1157-1217), in his De Naturis Rerum, writes: " The sailors, moreover, as they sail over the sea,...the light of the sun, or when the world is wrapped up in the darkness of the shades of night and they are ignorant to what point their ship's course is...
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Readings in European History: From the breaking up of the Roman empire to ...

Europe - 1904
...compass is explained. The mag- The sailors, as they sail over the sea, when in cloudy netic needle. weather they can no longer profit by the light of...sun, or when the world is wrapped in the darkness of night, and they are ignorant whither the ship's course is directed, touch a needle to the magnet ;...
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Readings in European History: A Collection of Extracts from the Sources ...

James Harvey Robinson - Europe - 1906 - 573 pages
...silkworm are clearly and correctly described, and the use of the compass is explained. The sailors, as they sail over the sea, when in cloudy weather...sun, or when the world is wrapped in the darkness of night, and they are ignorant whither the ship's course is directed, touch a needle to the magnet ;...
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Nautical Charts

George Rockwell Putnam - Cartography - 1908 - 162 pages
...toward the close of the twelfth century, is the first known mention of the use of the compass in Europe: "The sailors, moreover, as they sail over the sea, when in cloudy weather they cannot longer profit by the light of the sun, or when the. world is wrapped in the darkness of the...
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Principal facts of the earth's magnetism and methods of determining the true ...

U.S. Coast and Geodetic Survey - Science - 1909 - 99 pages
..." written toward the end of the twelfth century by an English monk, Alexander Neckam. He says: ' ' The sailors, moreover, as they sail over the sea, when in cloudy weather they can not longer profit by the light of the sun, or when the world is wrapped in the darkness of the shades...
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